(19)

(11)

EP 0 806 027 A1

(12)

(43) Date of publication: 12.11.1997 Bulletin 1997/46 (21) Application number: 96905145.0 (22) Date of filing: 11.01.1996

(51) International Patent Classification (IPC):  G06F 3/ 147( . ) H04B 10/ 10( . ) (86) International application number: PCT/US1996/000479 (87) International publication number: WO 1996/021921 (18.07.1996 Gazette 1996/33)

(84) Designated Contracting States: DE FR GB (30) Priority: 13.01.1995 US 19950372411 (71) Applicants: Cantu, Gary R. San Jose, CA 95117 (US) Pfeiffer, James W. Los Gatos CA 95030 (US) Steinberg, Daniel B. Campbell, CA 95008 (US)	(72) Inventors: Cantu, Gary R. San Jose, CA 95117 (US) Pfeiffer, James W. Los Gatos CA 95030 (US) Steinberg, Daniel B. Campbell, CA 95008 (US) (74) Representative: Reinhard - Skuhra - Weise & Partner  Postfach 44 01 51 80750 München 80750 München (DE)